{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-124723","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","state":"PUBLISHED","assignerShortName":"apache","dateReserved":"2026-11-09T11:03:38.294Z","datePublished":"2026-11-13T17:49:43.229Z","dateUpdated":"2026-11-13T23:05:04.039Z"},"containers":{"cna":{"providerMetadata":{"orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache","dateUpdated":"2026-11-13T17:49:43.229Z"},"title":"Apache APISIX: unauthorized access to mTLS protected resources","problemTypes":[{"descriptions":[{"description":"CWE-436 Interpretation Conflict","lang":"en","cweId":"CWE-436","type":"CWE"}]},{"descriptions":[{"description":"CWE-863 Incorrect Authorization","lang":"en","cweId":"CWE-863","type":"CWE"}]}],"source":{"discovery":"UNKNOWN"},"affected":[{"vendor":"Apache Software Foundation","product":"Apache APISIX","packageURL":"pkg:software-id/apache.org/apisix","versions":[{"status":"affected","version":"3.18.0","lessThanOrEqual":"3.19.0","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"value":"Interpretation Conflict, leading to Incorrect Authorization vulnerability in Apache APISIX.\n\n\n\nWith match_uri_encoded_slash enabled and skip_mtls_uri_regex\nconfigured, a client without a certificate can reach an upstream\nbehind a route that requires one, limited to request paths that decode\nto an exempted URI. This issue affects Apache APISIX: from 3.18.0 through 3.19.0.\n\n\n\nUsers are recommended to upgrade to version 3.20.0, which fixes the issue.","lang":"en","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Interpretation Conflict, leading to Incorrect Authorization vulnerability in Apache APISIX.</p><p><span>With match_uri_encoded_slash enabled and skip_mtls_uri_regex\nconfigured, a client without a certificate can reach an upstream\nbehind a route that requires one, limited to request paths that decode\nto an exempted URI.&nbsp;</span>This issue affects Apache APISIX: from 3.18.0 through 3.19.0.</p><p>Users are recommended to upgrade to version 3.20.0, which fixes the issue.</p>"}]}],"references":[{"url":"https://lists.apache.org/thread/0r8dv4ytw5mkhrozlg7mgb9h6z5y7hpn","tags":["vendor-advisory"]}],"metrics":[{"scenarios":[{"lang":"en","value":"GENERAL"}],"format":"CVSS","cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","subIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":6.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"}}],"credits":[{"lang":"en","value":"hataehoon","type":"reporter"},{"lang":"en","value":"shreemaan-abhishek","type":"remediation developer"},{"lang":"en","value":"shreemaan-abhishek","type":"coordinator"}],"x_generator":{"engine":"Vulnogram 1.0.3"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-11-13T19:49:56.142889Z","id":"CVE-2026-124723","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-11-13T20:02:19.206Z"}},{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/11/13/10"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2026-11-13T23:05:04.039Z"}}]}}